Easily connect serial devices through a USB port.The Manhattan USB to Serial Converter - with its serial RS232 (DB9) ports and Prolific PL-2303RA chipset - easily expands a single USB port to connect and support serial modems, barcode scanners, digital cameras, card readers, Ham/Amateur Radios, GPS, CNC machines, telescopes, embroidery machines, fuel injection controllers, PDUs, network switches and other devices.